Cedar Knolls, New Jersey

ZIP codes in Cedar Knolls

Area codes for Cedar Knolls

• Area code 973

  In service since June 1, 1997. Shares its area with 862. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 862

  In service since December 29, 2001. Shares its area with 973. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Cedar Knolls is in the Eastern Time zone.

Towns near Cedar Knolls

• Morris Plains3.3 km (2.1 mi)
• Convent Station3.5 km (2.2 mi)
• Whippany4.3 km (2.7 mi)
• Morristown5 km (3.1 mi)
• Mount Tabor5.7 km (3.5 mi)
• Rainbow Lakes5.8 km (3.6 mi)
• Parsippany5.8 km (3.6 mi)
• Troy Hills6 km (3.7 mi)